474816648631 has 4 divisors (see below), whose sum is σ = 511341006232. Its totient is φ = 438292291032.

The previous prime is 474816648619. The next prime is 474816648671. The reversal of 474816648631 is 136846618474.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 474816648631 - 2⁷ = 474816648503 is a prime.

It is a super-2 number, since 2×474816648631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474816648671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18262178781 + ... + 18262178806.

It is an arithmetic number, because the mean of its divisors is an integer number (127835251558).

Almost surely, 2^474816648631 is an apocalyptic number.

474816648631 is a deficient number, since it is larger than the sum of its proper divisors (36524357601).

474816648631 is a wasteful number, since it uses less digits than its factorization.

474816648631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36524357600.

The product of its digits is 18579456, while the sum is 58.

The spelling of 474816648631 in words is "four hundred seventy-four billion, eight hundred sixteen million, six hundred forty-eight thousand, six hundred thirty-one".